Finding the Fourth Proportional to 4,260,339.81, 6,393,683.57 and 3,126,033.09
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Solution
The fourth proportional to 4,260,339.81, 6,393,683.57 and 3,126,033.09 is: 4,691,378.46
Step by Step Solution
- Step 1: Write the proportion equation
4,260,339.81 : 6,393,683.57 = 3,126,033.09 : x - Step 2: Convert to fraction form
4,260,339.81/6,393,683.57 = 3,126,033.09/x - Step 3: Cross multiply
4,260,339.81x = 6,393,683.57 × 3,126,033.09 - Step 4: Simplify right side
4,260,339.81x = 19,986,866,406,809.33 - Step 5: Solve for x
x = 19,986,866,406,809.33/4,260,339.81 - Step 6: Final answer
x = 4,691,378.46
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.